\cleardoublepage \part{Proving and Securing} \setbookpart{Proving and Securing}

Part IV: Proving and Securing

Part IV covers Step 7 Prove and Step 8 Secure: showing that the software works by something other than the assistant's say-so, and making it safe at the level the tier requires.

Chapters in this part:

• Chapter 11, Step 7 Prove, Step 7 Prove.
• Chapter 12, Step 8 Secure, Step 8 Secure.

Functions in this part. Part IV concerns D4 Prove.

The thread from the series. The independence principle of AI Purple, Chapter 15, and the stewardship principle of AI Developer, Chapter 4, apply.

What you will learn in this part:

• Tests, oracle and review
• The security pass by tier

Part V turns to shipping, running and owning.